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Remote Gateway 9150 Installation and Administration Guide
Administration
Standard 4.0
Performing a firmware upgrade
This section describes how to perform a firmware upgrade on your Remote
Gateway 9150 unit. You perform the upgrade over the IP network using the
TFTP protocol.You can perform the RLC upgrade manually or configure the
RLC to perform an automatic or scheduled firmware upgrade. Refer to “Auto
upgrade configuration” on page 243 for further details.
Note:
Over an IP network with low delay and packet loss, Flash download times
to remote M39xx digital telephone sets are comparable to PBX wired
downloads. Download times increase when you use PSTN bandwidth on a
Remote Gateway 9150 unit.
You must have a TFTP server application running on the administration PC. The
TFTP server’s base directory must point to the directory that contains the
upgrade files.
Manual firmware upgrade
To ensure trouble-free communication between the RLC and Remote Gateway
9150 unit during and after the manual firmware upgrade, Nortel recommends
that you perform the upgrades as follows:
1
Create backup configuration files for the Remote Gateway 9150 unit and
RLC. Refer to “Creating a backup configuration file” on page 282.
2
Upgrade the Configuration Manager software on the administration PC.
3
Disable the PBX slot(s) where an RLC is installed.
4
Upgrade the RLC firmware.
5
Upgrade the Remote Gateway 9150 unit firmware.
6
Upgrade the BRI module firmware for each BRI module on your Remote
Gateway 9150 units.
7
Restart the RLC.
8
Restart the upgraded Remote Gateway 9150 unit.
9
Re-enable the PBX slot(s) where an RLC is installed.
Note:
Upgrade the Remote Gateway 9150 unit’s firmware before upgrading
the Remote Gateway 9150 unit’s BRI module firmware.
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